|  | site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | 
| A | Strassburg, Germany | 517 
  map | 1893 |  |  |  | freshwater |  | Graff Lvon (1874): 124, 146 | 
| B | Tremembe (Cantareira mountains), near São Paulo (San Paulo), Brazil | 915 
  map | 1945 or earlier in the 1940s |  |  |  |  |  | Marcus Er (1946): 90 | 
| C | pond, in the suburb of Canindé (Caninde), north of the city of  São Paulo (San Paulo), Brazil | 1071 
  map | Apr 1943 |  |  | mud |  | found in a pond near the river Tieté in  suburb of the city of Sao Paulo, most individuals with summer-eggs, only a small number with thick-shelled eggs. / plants: Eichhornia and Salvinia | Marcus Er (1943): 12, 14 | 
| D | Lundenburg in Mähren (Maehren),  Germany | 1152 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 294 | 
| E | Pancsova (Pancevo, Panciova, Pantschowa) in South Hungary (Ungarn), in the Vojvodina region, now part of Serbia | 1153 
  map | prior to 1882 |  |  |  |  |  | Graff Lvon (1882): 294 | 
| F | "El Tigre" lake, Paraná River, near the city of Santa Fé, Argentina | 1582 
  map | Mar-Oct 1989 |  |  |  | freshwater | several specimens. | Noreña-Janssen C (1995): 239 | 
| G | bank of Nirihuau River, San Carlos de Bariloche, Rio Negro, Agentina | 1611 
  map | Aug 1989 |  |  |  | freshwater | several specimens. | Noreña-Janssen C (1995): 239 | 
| H | Charca Jockey, San Carlos de Bariloche, Rio Negro, Agentina | 1613 
  map | Aug 1989 |  |  |  | freshwater | several specimens. | Noreña-Janssen C (1995): 239 | 
| I | Neudorf, Switzerland | 1949 
  map | prior to 1894 |  |  |  | freshwater | marsh. | Fuhrmann O (1894): 218-222, 241 | 
| J | Cambridge, United Kingdom | 2178 
  map | prior to 1896 |  |  |  | freshwater |  | Gamble FW (1896): ; from Young 1970 (citation)- p. 221 | 
| K | Ely, near Cambridgeshire, United Kingdom | 2179 
  map | prior to 1928 |  |  |  | freshwater | Wicken Fen | Perkins M (1928): ; from Young 1970 (citation)- p. 221 | 
| L | County Louth, Ireland | 2130 
  map | prior to 1936 |  |  |  | freshwater | Killincoole. | Southern R (1936): ; from Young 1970 (citation)- p. 221 | 
| M | New Baltimore, Lake St. Clair, Michigan, USA | 2478 
  map | Aug 20, 1893 |  |  |  | freshwater | Nine specimens from algae.  Very thin and flat. | Woodworth WM (1896): 241 | 
| N | Illinois River, Illinois, USA | 2483 
  map | 1894-1895 |  |  |  | freshwater | No. 13,521, Station L; No. 13,626, Illinois River. | Woodworth WM (1897): 11; stations for the exact location are described in Hart 1895 (citation)- p 150 | 
| O | Denmark (Dänemark) | 2469 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| P | Netherlands (Holland) | 2639 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| Q | France (Frankreich) | 2454 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| R | Austria (Österreich) | 2456 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| S | Russia | 2458 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| T | Tomsk, Siberia, Russia | 2631 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| U | Kansas, USA | 2741 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| V | Ohio, USA | 2742 
  map | 1913 or earlier |  |  |  | freshwater |  | Graff Lvon (1913): 276 | 
| W | Finland (Finnland, Finlyandiya, Finlandia, Finlande, Suomen Tasavalta, Suomi) | 2656 
  map | 1918 or earlier |  |  |  | freshwater |  | Luther A (1918): [location from Louise Bush notes on literature for this species, see card] | 
| X | Lake Baikal (Baykal, Holy Sea),  Russia | 1712 
  map | 1926 or earlier |  |  |  | freshwater |  | Nasonov NV (1926): [location from Louise Bush notes on literature for this species, see card] | 
| Y | Saint Petersburg (Sankt-Peterburg, Petrogrado, Petrograd, Leningrad), Russia | 1708 
  map | 1926 or earlier |  |  |  | freshwater |  | Nasonov NV (1926): [location from Louise Bush notes on literature for this species, see card] | 
| Z | Sevana Lake (Sevana Lich, Gokchai, Gokcha, Sevangha, Goktschasee, Kegharkunik, Goktscha Sees), Armenia | 2658 
  map | 1906 or earlier |  |  |  | freshwater |  | Plotnikow W (1906): [location from Louise Bush notes on literature for this species, see card] | 
| A1 | Siberia (Siberie, Sibirien, Sibir'), Russia | 2627 
  map | 1905 or earlier |  |  |  | freshwater |  | Plotnikow W (1905): [location from Louise Bush notes on literature for this species, see card] | 
| B1 | Krakau (Krakow, Cracovia, Krakov, Cracovie, Cracow), Poland | 2654 
  map | 1857 or earlier |  |  |  | freshwater |  | Schmidt O (1857): 81, 89; [location from Louise Bush notes on literature for this species, see card] | 
| C1 | Poluostrov Kamchatka (Kamchatka Peninsula, Kamchatskiya, Kamtschatka, Kamtchatka), Russia | 2743 
  map | 1929 or earlier |  |  |  | freshwater |  | Sabussowa Z (1929): [location from Louise Bush notes on literature for this species, see card] | 
| D1 | Australia | 2744 
  map | 1988 or earlier | type locality |  |  | freshwater |  | Kolasa J, Schwartz SS (1988): confirms Focke's1836 Australia record (Planaria ehrenbergii); [location from Louise Bush notes on literature for this sp | 
| E1 | Kenya | 3517 
  map | 1976 or earlier |  |  |  | freshwater |  | Young JO, Young BM (1976): ; from Young 1976 (citation)- 422 | 
| F1 | from the provinces of Avila, Cuenca, Guadalajara, Madrid and Segovia, Peninsula Iberica (Iberian Peninsula, Peninsula Hispanica), Spain | 3763 
  map | 1996 or earlier |  |  |  | freshwater | Iberian Peninsula. | Farias F, Gamo J, Norena-Janssen C (1996): abstract | 
| G1 | Trinidad, Trinidad and Tobago | 1676 
  map | 1888 or earlier |  |  |  |  |  | Kennel J v (1888): abstract | 
| H1 | Tomsk, Siberia, Russia | 2631 
  map | 1905 or earlier |  |  |  |  | Lake Birtschikul. | Plotnikow W (1905): abstract | 
| I1 | Brienzersee (Brienzer See, Lake of Brienz), Switzerland | 2725 
  map | 1907 or earlier |  |  |  | freshwater | Tümpel am Ufer des Brienzer Sees bei Kienholz. | Hofsten N v (1907): from Hofsten 1912 (citation)- p. 649 | 
| J1 | Zürichsee (Zürcher See, Züricher See, Lake of Zurich, Lago di Zurigo, Zurcher), Zurich, Switzerland | 4098 
  map | 1895 or earlier |  |  |  | freshwater | Zürcher See. | Keller J (1894): from Hofsten 1912 (citation)- p. 649 | 
| K1 | Lausanne, Switzerland | 4093 
  map | 1885 or earlier |  |  |  | freshwater | Sumpf bei Lausanne, an der Mündung des Flon. | Keller J (1894): from Hofsten 1912 (citation)- p. 649 | 
| L1 | Flon, Switzerland | 4092 
  map | 1885 or earlier |  |  |  | freshwater | Sumpf bei Lausanne, an der Mündung des Flon. | Keller J (1894): from Hofsten 1912 (citation)- p. 649 | 
| M1 | Lake Geneva (Genfer, Genfersees, Ginevra, Geneve, Leman, Lac Léman, Lemano), Switzerland | 2635 
  map | 1897 or earlier |  |  |  | freshwater | Tümpel und Teiche am Ufer des Léman (nie im See selbst!). | Du Plessis G (1897): from Hofsten 1912 (citation)- p. 649 | 
| N1 | Lac de Neuchatel (Neuenburger See, Neuenburg, Neuenburgersee, Neuchâtel), Switzerland | 2751 
  map | 1897 or earlier |  |  |  | freshwater |  | Du Plessis G (1897): from Hofsten 1912 (citation)- p. 649 | 
| O1 | Anieres, Switzerland | 3930 
  map | 1897 or earlier |  |  |  | freshwater | Teich bei Anieres. | Du Plessis G (1897): from Hofsten 1912 (citation)- p. 649 | 
| P1 | between Eldoret (Olderet, Olteret) and Nakuru, Kenya | 1621 
  map | Apr 22, 1972 |  |  |  | freshwater | Pond, at 3000 m altitude, 88 km fro Nakuru towards Eldoret; 300 x 100 m in size and choked with water weeds.  20 specimens. | Young JO, Young BM (1976): 95 | 
| Q1 | Lake Naivasha (Enaiposha), Rift Valley, Kenya | 1618 
  map | 1972 |  |  |  | freshwater | Lake Naivasha, littoral zone (vegetation) at Naivasha Hotel. | Young JO, Young BM (1976): 95 | 
| R1 | Lake Naivasha (Enaiposha), Rift Valley, Kenya | 1618 
  map | Apr 30, 1972 |  |  |  | freshwater | littoral on Vaughn's Island, 6 km north of Korongo Farm, on the west side of the lake. | Young JO, Young BM (1976): 95 | 
| S1 | Lake Naivasha (Enaiposha), Rift Valley, Kenya | 1618 
  map | Jan 1, 1972 |  |  |  | freshwater | littoral on Vaughn's Island, 6 km north of Korongo Farm, on the west side of the lake. | Young JO, Young BM (1976): 95 | 
| T1 | Lake Naivasha (Enaiposha), Rift Valley, Kenya | 1618 
  map | Jun 24, 1972 |  |  |  | freshwater | littoral on Vaughn's Island, 6 km north of Korongo Farm, on the west side of the lake. | Young JO, Young BM (1976): 95 | 
| U1 | Karen, Nairobi Area, Kenya | 3096 
  map | Aug 1, 1972 |  |  |  | freshwater | Pond near Karen, near Nairobi; half-way between Ngong road and Nairobi National Park link road; approximately 50 x 30 m; mud with much vegetation, including Typha and water-lilies.  11 specimens. | Young JO, Young BM (1976): 95 | 
| V1 | Karen, Nairobi Area, Kenya | 3096 
  map | Nov 10, 1971 |  |  |  | freshwater | Pond near Karen, about 0.5 km from main road; mud with much aquatic vegetation including Typha and Papyrus.  1 specimen. | Young JO, Young BM (1976): 95 | 
| W1 | Karen, Nairobi Area, Kenya | 3096 
  map | Apr 6, 1972 |  |  |  | freshwater | Pond near Karen, about 0.5 km from main road; mud with much aquatic vegetation including Typha and Papyrus.  12 specimens. | Young JO, Young BM (1976): 95 | 
| X1 | Karen, Nairobi Area, Kenya | 3096 
  map | May 29, 1972 |  |  |  | freshwater | Pond near Karen, about 0.5 km from main road; mud with much aquatic vegetation including Typha and Papyrus.  1 specimen. | Young JO, Young BM (1976): 95 | 
| Y1 | Bandar-e Anzali (Enseli, Pechlevi, Enzeli, Enceli, Pahlevi) harbour, Caspian Sea, Iran | 4745 
  map | 1926 or earlier |  |  |  |  | Persien, Enseli. | Tarnogradsky DA (1926): from Luther 1963 (citation)- p. 108 | 
| Z1 | Poluostrov Kamchatka (Kamchatka Peninsula, Kamchatskiya, Kamtschatka, Kamtchatka), Russia | 2743 
  map | 1929 or earlier |  |  |  |  |  | Sabussowa Z (1929): from Luther 1963 (citation)- p. 108 | 
| A2 | Tien Shan(Tien-Shan, Tien Range, Tien Shan Mountains, T'ien-shan Shan-mo, T'ien-Shan Range, Thian Schan, Tyan' Shan', Thian Shan, Tienschan), Kyrgyzstan | 2737 
  map | 1908 or earlier |  |  |  |  | Tienschan, Tümpel 600 m ü.M. | Bendl WE (1908): from Luther 1963 (citation)- p. 108 | 
| B2 | Tomsk, Siberia, Russia | 2631 
  map | 1905 or earlier |  |  |  |  | Sibirien, Tomsk. | Plotnikow W (1905): from Luther 1963 (citation)- p. 108 | 
| C2 | Lake Baikal (Baykal, Holy Sea),  Russia | 1712 
  map | 1926 or earlier |  |  |  |  | Umgebung des Baikal-Sees, Tümpel auf gefrorenem Boden, nicht im See. | Nasonov NV (1926): from Luther 1963 (citation)- p. 108 | 
| D2 | Puujoki, Finland | 2985 
  map | 1963 or earlier |  |  |  |  | Janakkala, Ilmusjärvi, beim Ausfluss des Puujoki. | Luther A (1963): 108 | 
| E2 | Janakkala, Finland | 2983 
  map | 1963 or earlier |  |  |  |  | Janakkala, Ilmusjärvi, beim Ausfluss des Puujoki. | Luther A (1963): 108 | 
| F2 | Skogbyträsket (Skogbyträsk, Skogby träsk), Finland | 5674 
  map | 1963 or earlier |  |  |  |  | Tenala Skogby träsk. | Luther A (1963): 108 | 
| G2 | Tvärminneträsket (Tvärminne träsk, Tvärminneträsk), Finland | 5907 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 108 | 
| H2 | Gvardeyskoye (Гвардейское, Karisalmi), Russia | 5685 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Karisalmi, Seen Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 108 | 
| I2 | Salojärvi, Finland | 5826 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Karisalmi, Seen Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 108 | 
| J2 | Tervajärvi, Finland | 5932 
  map | 1917 or earlier |  |  |  |  | Umgebung von Viborg = Viipuri:  Karisalmi, Seen Salojärvi u. Tervajärvi. | Nasonov NV (1917): from Luther 1963 (citation)- p. 108 | 
| K2 | Ireland (Irland) | 2668 
  map | 1936 or earlier |  |  |  |  |  | Southern R (1936): from Luther 1963 (citation)- p. 108 | 
| L2 | Cambridge, United Kingdom | 2178 
  map | 1896 or earlier |  |  |  |  | Cambridge | Gamble FW (1896): from Luther 1963 (citation)- p. 108 | 
| M2 | Denmark (Dänemark) | 2469 
  map | 1844 or earlier |  |  |  |  | Dänemark. | Örsted AS (1844): from Luther 1963 (citation)- p. 108 | 
| N2 | Denmark (Dänemark) | 2469 
  map | 1905 or earlier |  |  |  |  | Dänemark. | Brinkmann A (1905): from Luther 1963 (citation)- p. 108 | 
| O2 | Denmark (Dänemark) | 2469 
  map | 1938 or earlier |  |  |  |  | Dänemark. | Berg K (1938): from Luther 1963 (citation)- p. 108 | 
| P2 | Schleswig-Holstein, Germany | 5786 
  map | 1961 or earlier |  |  |  |  |  | Rixen J-U (1961): from Luther 1963 (citation)- p. 108 | 
| Q2 | Kurmark, Germany | 3468 
  map | 1942 or earlier |  |  |  |  |  | Weise M (1942): from Luther 1963 (citation)- p. 108 | 
| R2 | Giessen, Germany | 5565 
  map | 1873 or earlier |  |  |  |  |  | Schneider A (1873): from Luther 1963 (citation)- p. 108 | 
| S2 | Dresden, Germany | 5946 
  map | 1906 or earlier |  |  |  |  |  | Schorler B, Thallwitz J (1906): from Luther 1963 (citation)- p. 108 | 
| T2 | Oppenheim, Germany | 5788 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 108 | 
| U2 | Gernsheim, Germany | 5947 
  map | 1963 or earlier |  |  |  |  |  | Luther A (1963): 108 | 
| V2 | Leiden, Netherlands | 5919 
  map | 1882 or earlier |  |  |  |  |  | Graff Lvon (1882): from Luther 1963 (citation)- p. 108 | 
| W2 | north of France (Nordfrankreich) | 3999 
  map | 1890 or earlier |  |  |  |  |  | Hallez P (1890): from Luther 1963 (citation)- p. 108 | 
| X2 | Switzerland (Schweiz) | 2455 
  map | 1912 or earlier |  |  |  |  |  | Hofsten N v (1912): from Luther 1963 (citation)- p. 108 | 
| Y2 | Lac de Neuchatel (Neuenburger See, Neuenburg, Neuenburgersee, Neuchâtel), Switzerland | 2751 
  map | 1919 or earlier |  | 84-133 m |  |  |  | Monard A (1919): from Luther 1963 (citation)- p. 108 | 
| Z2 | Lago Maggiore, Italy | 2624 
  map | 1932 or earlier |  |  |  |  |  | Steinböck O (1932): from Luther 1963 (citation)- p. 108 | 
| A3 | Lago di Como (Larius Lacus, Lario), Lombardia, Italy | 2995 
  map | 1932 or earlier |  |  |  |  |  | Steinböck O (1932): from Luther 1963 (citation)- p. 108 | 
| B3 | Lago di Garda (Benaco), Italy | 3859 
  map | 1932 or earlier |  | 30 m |  |  |  | Steinböck O (1932): from Luther 1963 (citation)- p. 108 | 
| C3 | northern Italy | 4000 
  map | 1927 or earlier |  |  |  |  |  | Vialli M (1926): and Vialli 1927 (citation):  from Luther 1963 (citation)- p. 108 | 
| D3 | Italy (Italien) | 4028 
  map | 1951 or earlier |  |  |  |  | Zentral-Italien. | Stella E (1951): from Luther 1963 (citation)- p. 108 | 
| E3 | Italy (Italien) | 4028 
  map | 1954 or earlier |  |  |  |  | Zentral-Italien. | Papi F (1954): from Luther 1963 (citation)- p. 108 | 
| F3 | Lunz am See (Lunz), Austria | 2997 
  map | 1915 or earlier |  |  |  |  |  | Meixner J (1915): from Luther 1963 (citation)- p. 108 | 
| G3 | Graz (Gratz), Austria | 1963 
  map | 1915 or earlier |  |  |  |  |  | Meixner J (1915): from Luther 1963 (citation)- p. 108 | 
| H3 | Klosterneuburg, Austria | 5948 
  map | 1925 or earlier |  |  |  |  |  | Spandl H (1925): from Luther 1963 (citation)- p. 108 | 
| I3 | Donaustadt (Donau Gebiet, Danube Area), Austria | 5910 
  map | 1962 or earlier |  |  |  |  |  | An der Lan H (1962): from Luther 1963 (citation)- p. 108 | 
| J3 | western and middle, Czech Republic (Böhmen, Bohmen, Bohemia) | 2640 
  map | 1880 or earlier |  |  |  |  |  | Vejdovsky F (1880): from Luther 1963 (citation)- p. 108 | 
| K3 | Praha (Prague, Cheshskaya Praga, Praga, Prag), Czech Republic | 2739 
  map | 1880 or earlier |  |  |  |  |  | Vejdovsky F (1880): from Luther 1963 (citation)- p. 108 | 
| L3 | Bulgaria (Bulgarien) | 3874 
  map | 1926 or earlier |  |  |  |  |  | Valkanov A (1926): from Luther 1963 (citation)- p. 108 | 
| M3 | Bulgaria (Bulgarien) | 3874 
  map | 1934 or earlier |  |  |  |  |  | Valkanov A (1934): from Luther 1963 (citation)- p. 108 | 
| N3 | Dorpat (Tartu, Terbata, Tartto, Derpt, Yurev, Yur'yev),  Estonia | 2451 
  map | 1885 or earlier |  |  |  |  |  | Braun M (1885): from Luther 1963 (citation)- p. 108 | 
| O3 | Poland (Polen) | 4037 
  map | 1939 or earlier |  |  |  |  |  | Gieysztor M (1939): from Luther 1963 (citation)- p. 108 | 
| P3 | Poland (Polen) | 4037 
  map | 1959 or earlier |  |  |  |  |  | Chodorowski A (1959): from Luther 1963 (citation)- p. 108 | 
| Q3 | Saint Petersburg (Sankt-Peterburg, Petrogrado, Petrograd, Leningrad), Russia | 1708 
  map | 1921 or earlier |  |  |  |  |  | Beklemischev VN (1921): from Luther 1963 (citation)- p. 108 | 
| R3 | Leningrad Province (Sankt-Peterburg, Saint Petersburg), Russia | 3893 
  map | 1926 or earlier |  |  |  |  |  | Nasonov NV (1926): from Luther 1963 (citation)- p. 108 | 
| S3 | Bologoye (Bologoje), Russia | 2463 
  map | 1900 or earlier |  |  |  |  |  | Plotnikow W (1900): from Luther 1963 (citation)- p. 108 | 
| T3 | Kirov (Wjatka, Киров, Khlynov , Kirow, Viatka, Vyatka, Vjatka), Russia | 5792 
  map | 1921 or earlier |  |  |  |  |  | Nasonov NV (1921): from Luther 1963 (citation)- p. 108 | 
| U3 | Perm (Perm'), Russia | 5839 
  map | 1921 or earlier |  |  |  |  |  | Beklemischev VN (1921): from Luther 1963 (citation)- p. 108 | 
| V3 | Ivanovo (Ivanovo-Vosnesensk, Ivanovo-Voznesensk, Ivanovo-Vosnessensk Иваново, Iwanowo), Russia | 5751 
  map | 1923 or earlier |  |  |  |  |  | Cordé WJ (1923): from Luther 1963 (citation)- p. 108 | 
| W3 | Moskva (Moskau, Moskwa, Moscow, Moscou), Russia | 2694 
  map | 1877 or earlier |  |  |  |  |  | Nasonov NV (1877): from Luther 1963 (citation)- p. 108 | 
| X3 | Kaluga (Kalouga, Kalyga, Kanyra), Russia | 5561 
  map | 1917 or earlier |  |  |  |  |  | Beklemischev VN (1917): from Luther 1963 (citation)- p. 108 | 
| Y3 | Saratov (Saretow, Saratow), Russia | 2638 
  map | 1921 or earlier |  |  |  |  |  | Nasonov NV (1921): from Luther 1963 (citation)- p. 108 | 
| Z3 | Orenburg (Оренбург, Chkalov, Tschkalow), Russia | 5794 
  map | 1921 or earlier |  |  |  |  |  | Beklemischev VN (1922): from Luther 1963 (citation)- p. 108 | 
| A4 | Charkov (Kharkiv, Charkow, Khar'kov, Kharkow), Ukraine | 2444 
  map | 1903 or earlier |  |  |  |  |  | Markow M (1903): from Luther 1963 (citation)- p. 108 | 
| B4 | Odesa (Odessa), Odes'ka Oblast, Ukraine | 2782 
  map | 1882 or earlier |  |  |  |  |  | Graff Lvon (1882): from Luther 1963 (citation)- p. 108 | 
| C4 | Montana, USA | 5949 
  map | 1957 or earlier |  |  |  |  |  | Hyman LH (1957): from Luther 1963 (citation)- p. 109 | 
| D4 | Nebraska, USA | 4022 
  map | 1957 or earlier |  |  |  |  |  | Stringer CE (1909): from Luther 1963 (citation)- p. 109 | 
| E4 | New Zealand | 1752 
  map | 1953 or earlier |  |  |  |  |  | Stout VM (1953): from Luther 1963 (citation)- p. 109 | 
| F4 | Trinidad, Trinidad and Tobago | 1676 
  map | 1940 or earlier |  |  |  |  |  | Husted L, Ruebush TK (1940): from Luther 1963 (citation)- p. 109 | 
| G4 | Lake Titicaca, Peru | 3805 
  map | 1939 or earlier |  |  |  |  | Tümpel, 384 m ü.M. | Beauchamp Pde (1939): from Luther 1963 (citation)- p. 109 | 
| H4 | State of Florida, USA | 4954 
  map | 1957 or earlier |  |  |  |  |  | Hyman LH (1957): from Luther 1963 (citation)- p. 109 | 
| I4 | Utah, USA | 5950 
  map | 1947 or earlier |  |  |  |  |  | Mulaik S (1947): from Luther 1963 (citation)- p. 109 | 
| J4 | near New Market, Virginia, USA | 1677 
  map | 1957 or earlier |  |  |  |  |  | Hyman LH (1957): from Luther 1963 (citation)- p. 109 | 
| K4 | Ohio, USA | 2742 
  map | 1940 or earlier |  |  |  |  |  | Husted L, Ruebush TK (1940): from Luther 1963 (citation)- p. 109 | 
| L4 | New York, USA | 3693 
  map | 1940 or earlier |  |  |  |  |  | Husted L, Ruebush TK (1940): from Luther 1963 (citation)- p. 109 | 
| M4 | Connecticut, USA | 5951 
  map | 1940 or earlier |  |  |  |  |  | Husted L, Ruebush TK (1940): from Luther 1963 (citation)- p. 109 | 
| N4 | Missoula, Montana, USA | 5967 
  map | May 23-Jun 7, 1956 |  |  |  |  | collected from glacial potholes in the vicinity of Missoula | Hyman LH (1957): 10 | 
| O4 | Suhrer See, Schleswig-Holstein, Germany | 6001 
  map | Sep 27, 1957 |  |  |  |  | Suhrer See, Hydropsammal mit Characeenbewuchs (1 Ex.) | Rixen J-U (1961): 505 | 
| P4 | Einfelder See, Schleswig-Holstein, Germany | 6533 
  map | Aug 26, 1957 |  |  |  |  | Phytal (1 Ex.) | Rixen J-U (1961): 505 | 
| Q4 | Lake Nicola, Brazil | 7743 
  map | Feb 28, 2019 |  |  |  |  |  | Reyes J,  Binow D, Vianna RT, Brusa S, Martins SE (2021): 14 | 
| R4 | Water channel, between Lake Mangueira and Lake Nicola, Brazil | 7744 
  map | Oct 9, 2018 |  |  |  |  |  | Reyes J,  Binow D, Vianna RT, Brusa S, Martins SE (2021): 14 | 
| S4 | Buttahatchee River, Greenwood Springs, Monroe County, Mississippi | 7823 
  map | Apr 2008 - Mar 2009 |  |  |  |  | ....."Buttahatchee River backwater location"...."Floodplain backwater pond" | Glasgow B (2021): 189, 195 | 
| T4 | Tenn-Tom Waterway, Smithville, Mississippi | 7833 
  map | May 2006 - Apr 2020 |  |  |  |  |  | Glasgow B (2021): 189, 195 | 
| U4 | Lower Pearl River, Natchez Trace Parkway, Madison County, Mississippi | 7837 
  map | May 2006 - Apr 2020 |  |  |  |  |  | Glasgow B (2021): 189, 195-197 | 
| V4 | Elbe River, near Hamburg-Harburg, Germany | 530 
  map | 1903 or earlier |  |  |  |  |  | Volk R (1903): |